package chapter8.test.no2;

public class Main implements B{
	public void fa(){
		System.out.println("fa");
	}
	public void fb(){
		System.out.println("fb");
	}
	public static void main(String[] args) {

	}
}
interface A{
	int a=10;
	void fa();
}
interface B extends A{
	int b=20;
	void fb();
}


